After pulling the ring on the female QDC side, the quick-disconnect fittings will separate. Liquid on both sides will be automatically obstructed with only 0.5-1mL freed with approximately 0.2mL freed. Fittings are chrome-plated brass. Maximum operating pressure is 2kgf/cm2 (28.5 psi) @ 25°C. Maximum operating temperature is 100°C (212°F).